Comparative morphology of rostral cartilages in extant mackerel sharks (Chondrichthyes, Lamniformes, Lamnidae) using CT scanning Author Mollen, Frederik H. Author Wintner, Sabine P. Author Iglésias, Samuel P. Author Van, Sean R. Author Jagt, John W. M. text Zootaxa 2012 3340 29 43 journal article 10.5281/zenodo.215285 1dd2aa47-a5e9-46c2-9074-8f83166e5163 1175-5326 215285 Carcharodon carcharias Fresh material : 1 specimen , ERB 0 932 (= KZNSB –UMT 07015), female, 2120 mm TL, 26 November 2007 , protective gill nets off Umtentweni, South Africa , southwest Indian Ocean. Additional material : one set of transverse views through rostrum based on CT scans (unpublished data, courtesy of K. Shimada) of a female, FMNH 38335, c. 2714 mm TL (based on crown height of first anterior teeth, following the method described by Shimada 2003 ), off southern Florida, USA , Atlantic Ocean, and 2 dried chondrocrania, IRScNB 1385γ, no data, Mediterranean; KZNSB unlabelled, female, c. 3740 mm TL (based on skeleton), date unknown, protective gill nets off KwaZulu-Natal, South Africa , southwest Indian Ocean. Additional illustrations : Haswell (1884, pl. 1, figs. 1–2) , Parker [1887 , pl. 4, figs. 1, 3; pl. 5, unnumbered fig. (upper part of plate only); non pl. 8, figs. 24–25, misidentified by the author, see Francis (1996) and Mollet et al. (2002) ], Compagno (1990, figs. 3G, 5J, 6J, 7J) , Gottfried et al. (1996 , fig. 5B), Wroe et al. (2008 , fig. 1A–B), and Shimada et al. (2009 , fig. 2D).